Step 1:
The first step to converting 775420.5090759 to a fraction is to re-write 775420.5090759 in the form p/q where p and q are both positive integers. To start with, 775420.5090759 can be written as simply 775420.5090759/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 775420.5090759, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 775420.5090759/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 775420.5090759/1 each by 10000000:
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out, which leads to the following answer for 775420.5090759 as a fraction:
775420/1 / 1